<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<%--域中的数据--%>
requestScope :message:${requestScope.message} <br/>
sessionScope :message:${sessionScope.message} <br/>
applicationScope :message:${applicationScope.message} <br/>

<%--请求参数--%>
requestParam:${param.message}
</body>
</html>